<template>
  <!-- 员工 -->
  <div class="dashboard-container">
    <div class="app-container">
      <page-tools :show-before="true">
        <!-- <span slot="before"></span>  俩种slot方式 -->
        <!-- 左侧显示总记录数 -->
        <template
          v-slot:
          before
        />
        <span slot="before">共{{ page.total }}条记录</span>
        <!-- 右侧显示按钮 导入 导出 新增员工 -->
        <template v-slot:after>
          <el-button
            size="small"
            type="warning"
            @click="$router.push('/import?type=user')"
          >导入</el-button>
          <el-button
            size="small"
            type="danger"
            @click="exportData"
          >导出</el-button>
          <el-button
            :disabled="checkPermission('POINT-USER-UPDATE')"
            size="small"
            type="primary"
            @click="showDialog = true"
          >新增员工</el-button>
        </template>
      </page-tools>
      <!-- 下面表格组件 -->
      <!-- sortable="" 可排序，就是上下箭头 -->
      <el-table
        v-loading="loading"
        :data="list"
      >
        <el-table-column
          label="序号"
          sortable=""
          type="index"
        />
        <el-table-column
          label="姓名"
          sortable=""
          prop="username"
        />
        <el-table-column
          label="头像"
          align="center"
          sortable=""
          width="120px"
        >
          <!-- 放置作用域插槽 -->
          <template v-slot="{ row }">
            <img
              v-imagerror="require('@/assets/common/photo.jpg')"
              :src="row.staffPhoto"
              style="border-radius: 50%; width: 100px; height: 100px; padding: 10px"
              alt=""
              @click="showQrCode"
            >
          </template>
        </el-table-column>
        <el-table-column
          label="工号"
          sortable=""
          prop="workNumber"
        />
        <el-table-column
          label="聘用方式"
          sortable=""
          prop="formOfEmployment"
          :formatter="formatEmployment"
        />
        <el-table-column
          label="部门"
          sortable=""
          prop="departmentName"
        />
        <!-- 放置作用域插槽和过滤器 -->
        <el-table-column
          label="入职时间"
          sortable=""
          prop="timeOfEntry"
        >
          <template v-slot="{row}">
            <!-- 将时间进行格式化 -->
            {{ row.timeOfEntry | formatDate }}
          </template>
        </el-table-column>
        <el-table-column
          label="账户状态"
          sortable=""
          prop="enableState"
        >
          <!-- 放置switch开关插槽 -->
          <template v-slot="{ row }">
            <el-switch :value="row.enableState === 1" />
          </template>
        </el-table-column>
        <el-table-column
          label="操作"
          sortable=""
          fixed="right"
          width="280"
        >
          <template v-slot="{ row}">
            <el-button
              :disabled="!checkPermission('POINT-USER-UPDATE')"
              type="text"
              size="small"
              @click="$router.push(`/employees/detail/${row.id}`)"
            >查看</el-button>1
            <el-button
              type="text"
              size="small"
            >转正</el-button>
            <el-button
              type="text"
              size="small"
            >调岗</el-button>
            <el-button
              type="text"
              size="small"
            >离职</el-button>
            <el-button
              type="text"
              size="small"
              @click="editRole(row.id)"
            >角色</el-button>
            <el-button
              type="text"
              size="small"
              @click="deleteEmployee(row.id)"
            >删除</el-button>
          </template>
        </el-table-column>
      </el-table>
      <!-- 放置分页组件 -->
      <el-row
        type="flex"
        justify="center"
        align="middle"
        style="height: 60px"
      >
        <el-pagination
          :page-size="page.size"
          :current-page="page.page"
          :total="page.total"
          layout="prev,pager, next"
          @current-change="changePage"
        />
      </el-row>
    </div>
    <!-- 放置新增组件弹层 -->
    <add-employee :show-dialog.sync="showDialog" />
    <!-- 放置二维码 -->
    <el-dialog
      title="二维码"
      :visible.sync="showCodeDialog"
    >
      <el-row
        type="flex"
        justify="center"
      >
        <canvas ref="myCanvas" />
      </el-row>
    </el-dialog>
    <!-- 放置分配角色组件 -->
    <assign-role
      ref="assignRole"
      :show-role-dialog.sync="showRoleDialog"
      :user-id="userId"
    />
  </div>
</template>

<script>
import { getEmployeeList, delEmployee } from '@/api/employees'
import AddEmployee from './components/add-employee.vue' // 引入新增员工组件
import EmployeeEnum from '@/api/constant/employees' // 引入员工的枚举对象
import { formatDate } from '@/filters' // 引入过滤器中的方法
import QrCode from 'qrcode' // 引入二维码插件
import AssignRole from './components/assign-role.vue' // 引入分配角色组件
export default {
  components: { // 注册组件
    AddEmployee,
    AssignRole
  },
  data () {
    return {
      list: [], // 接收数据
      page: {
        page: 1, // 当前页码
        size: 10,
        total: 0 // 总数
      },
      loading: false, // 显示遮罩层
      showDialog: false, // 控制显示与隐藏,默认关闭
      showCodeDialog: false, // 控制二维码显示与隐藏
      showRoleDialog: false, // 分配角色弹出层
      userId: null // 定义一个userid
    }
  },
  created () {
    this.getEmployeeList()
  },
  methods: {
    async getEmployeeList () {
      this.loading = true // 请求之前打开进度条
      const { total, rows } = await getEmployeeList(this.page)
      this.page.total = total
      this.list = rows
      this.loading = false // 之后关闭
    },
    changePage (newPage) {
      this.page.page = newPage // 赋值最新的页码
      this.getEmployeeList() // 重新拉取数据
    },
    // 格式化聘用内容
    formatEmployment (row, column, cellValue, index) {
      const obj = EmployeeEnum.hireType.find(item => item.id === cellValue)
      return obj ? obj.value : '未知' // 三元表达式
    },
    // 定义删除员工的方法
    async deleteEmployee (id) {
      try {
        await this.$confirm('您确定要删除该员工吗')
        // 点击确定
        await delEmployee(id)
        // 提示删除员工成功
        this.$message.success('删除员工成功')
        // 重新拉取数据
        this.$getEmployeeList()
      } catch (error) {
        console.log(error)
      }
    },
    // 导出excel数据
    exportData () {
      // 表头对应关系
      const headers = {
        '姓名': 'username',
        '手机号': 'mobile',
        '入职日期': 'timeOfEntry',
        '聘用形式': 'formOfEmployment',
        '转正日期': 'correctionTime',
        '工号': 'workNumber',
        '部门': 'departmentName'
      }
      // 引入懒加载, 导出excel
      import('@/vendor/Export2Excel').then(async excel => {
        // excel是引入文件的导出对象
        const { rows } = await getEmployeeList({ page: 1, size: this.page.total })
        const data = this.formatJson(Headers, rows) // 返回的data，就是要导出的结构
        const multiHeader = [['姓名', '主要信息', '', '', '', '', '部门']]
        const merges = ['A1:A2', 'B1:F1', 'G1:G2']
        excel.export_json_to_excel({
          header: Object.keys(headers),
          data,
          filename: '员工资料表',
          multiHeader, // 复杂表头
          merges // 合并选项
          // autoWidth: true,
          // bookType: 'xlsx'
        })
      })
    },
    // 将表头和数据进行对应
    formatJson (headers, rows) {
      return rows.map(item => {
        return Object.keys(headers).map(key => {
          // 需要判断字段
          if (headers[key] === 'timeOfEntry' || headers[key] === 'correctionTime') {
            // 格式化日期
            return formatDate(item[headers[key]])
          } else if (headers[key] === 'formOfEmployment') {
            const obj = EmployeeEnum.hireType.find(obj => obj.id === item[headers[key]])
            return obj ? obj.value : '未知'
          }
          return item[headers[key]]
        })
      })
      // 下面是简版，但需要处理时间格式问题
      // return rows.map(item => Object.keys(headers).map(key => item[headers[key]]))
    },
    showQrCode (url) {
      // url存在，才弹出层
      if (url) {
        this.showCodeDialog = true
        this.$nextTick(() => {
          QrCode.toCanvas(this.$refs.myCanvas, '123') // 将地址转化为二维码
        })
      } else {
        // 提示用户传头像
        this.$message.warning('该用户还未上传头像')
      }
    },
    async editRole (id) {
      // 弹出
      this.userId = id
      await this.$refs.assignRole.getUserDetailById(id) // 调用子组件方法
      this.showRoleDialog = true
    }
  }
}
</script>

<style>
</style>
